Re: [PATCH 22/26] drm/i915/guc: Handle errors in multi-lrc requests

2021-10-12 Thread Matthew Brost
On Tue, Oct 12, 2021 at 02:56:36PM -0700, John Harrison wrote: > On 10/4/2021 15:06, Matthew Brost wrote: > > If an error occurs in the front end when multi-lrc requests are getting > > generated we need to skip these in the backend but we still need to > > emit the breadcrumbs seqno. An issues ari

Re: [PATCH 22/26] drm/i915/guc: Handle errors in multi-lrc requests

2021-10-12 Thread John Harrison
On 10/4/2021 15:06, Matthew Brost wrote: If an error occurs in the front end when multi-lrc requests are getting generated we need to skip these in the backend but we still need to emit the breadcrumbs seqno. An issues arises because with multi-lrc breadcrumbs there is a handshake between the par

[PATCH 22/26] drm/i915/guc: Handle errors in multi-lrc requests

2021-10-04 Thread Matthew Brost
If an error occurs in the front end when multi-lrc requests are getting generated we need to skip these in the backend but we still need to emit the breadcrumbs seqno. An issues arises because with multi-lrc breadcrumbs there is a handshake between the parent and children to make forward progress.